Haptic control knob



FIG. 1 is an elevated perspective view of a haptic control knob of the claimed design;

FIG. 2 is a front side view of the haptic control knob shown in FIG. 1;

FIG. 3 is a rear side view of the haptic control knob shown in FIG. 1;

FIG. 4 is a top plan view of the haptic control knob shown in FIG. 1;

FIG. 5 is a bottom side view of the haptic control knob shown in FIG. 1;

FIG. 6 is a left side view of the haptic control knob shown in FIG. 1; and,

FIG. 7 is a right side view of the haptic control knob shown in FIG. 1.

The broken lines in the drawings depict portions of the haptic control knob that form no part of the claimed design

The stippling indicates contrasting surface appearance. 

CLAIM The ornamental design for a haptic control knob, as shown and described. 